"Wrong value for %s: %r" % (self, value)

Question

I have an on_change method that assigns a list of tuples to a Selection field

But I get the error message in the subject
Why is that ?
The tuples are like (int, string)

I tried casting the 2 elements in the tuples to 2 strings, int for the id and string for the value, string for the id and int for the value...

I just want to create a list of choices for a dropdown menu field that depends on the value in another field

How am I supposed to do that ?

Mily Shajan · Accepted Answer

Hi Adriano,
Try this code
@api.onchange('selection_field')
def _onchange_domain(self):
if self.selection_field == 'value':
domain = [('id', '=', self.id)]
else:
domain = []
return {'domain': {'another_field': domain}} Also, Check this reference to apply dynamic domain for relational fields
Dynamic domain [1]

Regards

[1] https://www.cybrosys.com/blog/how-to-apply-dynamic-domain-for-relational-fields-in-odoo-16

Adriano Peluso · Answer

Thank you !!
This works !
BUT !!

It's deprecated
i read here [1] an answer about how to properly do this but I don't understand

[1] https://github%5C.com/odoo/odoo/issues/71460

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